<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1, user-scalable=no">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black">
    <link rel="stylesheet" type="text/css" href="css/loading.css">
</head>
<body>
    <div id="loader-wrapper">
        <div id="loader"></div>
        <div class="loader-section section-left"></div>
        <div class="loader-section section-right"></div>
        <div class="load_title">正在加载<br><span>V1.0</span></div>
    </div>
    <input type="button" value="执行" id="loaders">
    <script src="js/jquery.js"></script>
    <script type="text/javascript">
        $(function(){
            console.log(1);
            $('body').addClass('loaded');
        });
    </script>
</body>
</html>